hg: panama/dev: Automatic merge with default

[maurizio.cimadamore at oracle.com]

Changeset: ef502584ed95
Author:    mcimadamore
Date:      2018-02-05 09:28 +0100
URL:       http://hg.openjdk.java.net/panama/dev/rev/ef502584ed95

Automatic merge with default

- make/autoconf/autogen.sh
- make/autoconf/generated-configure.sh